x-42=12

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Solution for x-42=12 equation: 


Simplifying
x + -42 = 12

Reorder the terms:
-42 + x = 12

Solving
-42 + x = 12

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '42' to each side of the equation.
-42 + 42 + x = 12 + 42

Combine like terms: -42 + 42 = 0
0 + x = 12 + 42
x = 12 + 42

Combine like terms: 12 + 42 = 54
x = 54

Simplifying
x = 54

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